CTi is a Northern California based rep/engineering firm focused on providing integrated solutions for; valves, actuators, and controls. In addition we have expertise in the area of combustion & burner management controls and related components.
CTi maintains a California General Engineering Contractors License # 951993. Headquartered in San Ramon, CA, reach us at 925-208-4250 or CTi-CT.com

Wednesday, April 29, 2015

Selective catalytic reduction (SCR) is a means of converting nitrogen oxides, also referred to as NOx with the aid of a catalyst into diatomic nitrogen, N2, and water, H2O. A gaseous reductant is added to a stream of flue or exhaust gas and is absorbed on to a catalyst.

Commercial selective catalytic reduction systems are typically found on large utility boilers, industrial boilers, and municipal solid waste boilers and have been shown to reduce NOx by 70-95%. More recent applications include diesel engines, such as those found on large ships, diesel locomotives, gas turbines, and even automobiles.

A PEMS can be configured, delivered and installed in 30-45 days. Installation of a PEMS requires the installation of a single computer with the DAS/PEMS software installed and interfaced to the boiler control system. Typically a one day installation and start up process.

PEMS have lower startup costs, normally one day including DAS.

PEMS require less on site training. PEMS training is usually 1 to 1 1⁄2 days plus DAS training.

PEMS should require no on site emergency service. A direct modem to the system takes care of 99% of all service requirements.